在我们探讨所谓的“噪音”之前，我们需要先理解设备是如何去寻找在黑洞和超新星碰撞过程中产生的重力波。

Before we can understand what this "noise" is, we need to understand how equipment designed to look for the space-time ripples caused by collisions between black holes and supernova explosions.

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为了很好地理解devfs，最好是先理解从设备驱动程序的角度来看devfs是怎样改变事物的。

To get a good understanding of devfs, it's best to first understand how devfs changes things from the perspective of the device driver.

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在迁移操作期间，换出到分页空间设备上的所有内存先被读入真实内存中，然后传输到目标服务器。

During the migration operation, all the memory that has been paged out to a paging space device is first read into real memory before being transmitted to the target server.

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So, find an important problem. Work on it, and to say nothing of the wireless device there.

所以，找到了关键问题，并努力去解决它，先说明，这并没有无线设备。

麻省理工公开课 - 固态化学导论课程节选